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<br />SEDCAD 4 for Windows <br />c~...,.~,.nr loon .°nm a~,.,em .i c.n~~~n <br />23 <br /> <br />Elevation <br />(R) <br />Emergency <br />Spillway (crs) Combined <br />Total <br />Discharge <br />(ds) <br />s,zzl.oo o.ooo o.ooo <br />s,zzl.so o.ooo o.ooo <br />B,zzz.oo o.ooo o.ooo <br />s,zzz.so o.ooo o.oao <br />8,zz3.oo o.oao o.ooo <br />8,z23.50 0.000 0.000 <br />8,224.00 0.000 0.000 <br />8,224.50 0.000 0.000 <br />8,225.00 1.830 1.830 <br />Structure #2 (R%prap Channel) <br />SEC. 28 DITCH 5 <br />Trapezoidal Riprap Channel Inputs: <br /> <br />Material: Riorao <br />Lek Right Freeboard Freeboard Freeboard <br />Bottom Sideslope Sideslope Slope (%) Mult. x <br />Width (R) Ratio Ratio Depth (k) % of Depth (VxD) <br />12.00 3.0:1 3.0:1 20.0 1.00 <br />Riprap Channel Results: <br />Simons/OSM Method -Steep Slope Design <br /> w/o Freeboard w/ Freeboard <br />Design Discharge: 10.12 crs <br />Depth: 0.07 ft 1.07 R <br />Top Width: 12.44 ft 18.44 ft <br />Velocity*: <br />X-Section Area: 0.89 sq R <br />Hydraulic Radius: 0.072 k <br />Froude Number*: <br />Manning's n*: <br />Dmin: 2.00 in <br />DBO: 6.00 in <br />Dmax: 7.50 in <br />Velocity and Manning's n calculations may not apply for this method. <br />Structure #9 (Null) <br />Filename: STSec28Ten24.030807.sc4 <br />• <br />Printed 03-09-2007 <br />Exh. 7-20A-27 Revision Date: 3/12/07 <br />Revision No.: PR-02 <br />